import React from 'react'
import {Menu, Icon} from 'antd'
import {NavLink} from 'react-router-dom'
import MenuConfig from './../../config/menuConfig'

import './index.less'

const SubMenu = Menu.SubMenu;
export default class NavLeft extends React.Component {

    componentWillMount() {
        const menuTreeNode = this.renderMenu(MenuConfig);
        this.setState({
            menuTreeNode
        })
    }

    // 菜单渲染
    renderMenu = (data) => {
        return data.map((item) => {
            if (item.children) {
                return (
                    <SubMenu title={item.title} key={item.key}>
                        {this.renderMenu(item.children)}
                    </SubMenu>
                );
            }
            return <Menu.Item title={item.title} key={item.key}>
                <NavLink to={item.key}>{item.title}</NavLink>
            </Menu.Item>
        })
    };

    render() {
        return (
            <div>
                <div className={'logo'}>
                    <img src={"/assets/logo-ant.svg"} alt={""}/>
                    <h1>Imooc MS</h1>
                </div>
                <Menu
                    theme={"dark"}
                >
                    {this.state.menuTreeNode}
                </Menu>
            </div>
        );
    }
}
